{"product_id":"oem-goodman-heat-exchanger-for-gmp075-3-furnace-2921306s","title":"OEM Goodman Heat Exchanger for GMP075-3 Furnace — 2921306S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 2921306S Heat Exchanger\u003c\/strong\u003e is the genuine OEM heat-transfer assembly for the Goodman \u003cstrong\u003eGMP075-3\u003c\/strong\u003e gas furnace. The heat exchanger is the heart of the furnace: combustion heats its steel passages while the blower moves conditioned air across the exterior, keeping flue gases fully separated from the air you breathe. A cracked or rusted-through heat exchanger is a carbon-monoxide hazard and warrants immediate replacement with a factory part.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 2921306S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e GMP075-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Heat Exchanger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Type:\u003c\/strong\u003e Gas Furnace (75,000 BTU class)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminized\/coated steel clamshell\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003eGoodman OEM\u003c\/strong\u003e heat exchanger is manufactured to the precise metallurgy, section spacing, and flange dimensions of the GMP075-3. Because the heat exchanger governs combustion containment, we do not recommend generic substitutes — an imperfect fit can alter flame impingement and dramatically shorten service life. Many manufacturers also require the OEM part to honor limited warranty coverage.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eAdvanced \/ Professional only.\u003c\/strong\u003e This is a major repair requiring near-complete furnace teardown, gas and electrical disconnection, and post-install combustion and CO testing. Installation must be performed by a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058135056755,"sku":"GOODMAN-11846","price":574.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-heat-exchanger-for-gmp075-3-furnace-2921306s","provider":"National HVAC Parts","version":"1.0","type":"link"}